London Transport Museum's alternative Tube maps

The images in this gallery are taken from London Transport Museum's current Mind
the Map exhibition, which runs until October 28, 2012.
Documenting some of the most interesting and rare Tube maps and promotional
material to be produced, the exhibition traces over 100 years of London
Underground, London Transport and Transport for London design endeavours.
Here, the exhibition's head curator Claire Dobbin explains the stories
behind some of the most intriguing Tube maps and posters.

British Empire Exhibition; Edward Bawden and Thomas Derrick, 1924

This was the first ‘MacDonald Gill-style’ Underground poster map produced by
another hand. It was designed to promote travel to The British Empire
Exhibition in 1924. The principal designer was Thomas Derrick, the more
experienced of the two artists, but some of the illustration work was by
Edward Bawden, still a student at the time. This was the now celebrated
artist’s first paid commission.